FBI Detroit field office — flying disc and UFO case files (1942–1957)

FBI Detroit field office investigative files 100-DE-26505 and 100-DE-18221, covering early-Cold-War flying disc and UFO reports across Michigan and the Great Lakes region. Released by the Department of War in PURSUE Release 01.

What we know

Record type: Document Release
Primary source: linked
Named witnesses: 0
Media: 2

An FBI memo from 1958 reporting a UFO sighting by a Detroit man who described a "circular object with a crystal-type dome," and recommending that the information be forwarded to "proper air force authorities."

**Released as part of PURSUE Release 01 (May 8, 2026).** The Department of War published the following primary-source records:

- **65_HS1-101634279_100-DE-18221_Serial_844** (FBI, 2058-04-17 · Detroit, MI) — 1 page.

Source integrity: SHA-256 `17e13c53b0cc0c31…`

- **65_HS1-101634279_100-DE-26505** (FBI, 2057-11-07 · Germany) — 15 pages.

Source integrity: SHA-256 `d71c2f57a9f173b5…`

*Skeleton import — comprehensive narrative analysis pending. Sources are linked above; OCR-extracted text from the page images is available in the [PURSUE Open Atlas dataset](https://huggingface.co/datasets/alex-zhang42/ufo-pursue-open-atlas) (CC0).*

Source documents

65_HS1-101634279_100-DE-18221_Serial_844

FBI via PURSUE Release 01 (May 8, 2026)

Open

65_HS1-101634279_100-DE-26505

FBI via PURSUE Release 01 (May 8, 2026)